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A235414 Number of (n+1)X(2+1) 0..3 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise 1
2400, 64848, 1826923, 37684700, 782294899, 12863400296, 211918008383, 2916338598826, 40162081074843, 478836923802673, 5712559047430864, 60505768056073434, 641415858012884696, 6149515043055326889 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A235416
LINKS
EXAMPLE
Some solutions for n=2
..0..2..0....2..1..1....1..0..2....3..1..1....2..2..2....1..1..2....3..0..0
..2..2..0....2..0..0....3..3..2....3..1..1....2..0..0....3..3..1....2..3..0
..3..2..2....0..3..1....2..2..2....3..3..1....1..3..1....0..3..1....3..1..1
CROSSREFS
Sequence in context: A234453 A236084 A204304 * A235259 A321638 A005073
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 10 2014
STATUS
approved

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Last modified February 21 15:59 EST 2024. Contains 370237 sequences. (Running on oeis4.)